The mathematical expressions of the optical influence functions for micromachined membrane deformable mirror and their superposition nature are introduced.
介绍了微机械薄膜变形镜光学影响函数的理论表达式以及其具有的线性叠加性。
In general the population migrations of Northeast China in history are mainly compelled migration and mandatory migration, comparatively obvious embodiment at the influence functions of distance.
总的看来，历史上东北地区的人口迁移以被迫迁移和强制性迁移为主，较为明显地体现了人口迁移中的距离因素的影响作用。
Then, the influence functions of water, prestressed anchor and cement-soil retaining wall and front small-piles in the compound soil nailing system were studied. The corresponding formulas were given.
研究了水、预应力锚杆（索）、水泥土搅拌桩以及超前微桩对复合土钉支护时土体稳定性的影响作用并给出了相应的计算公式。
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